Grain Free– Food contains no corn, barley, wheat, oat, rice, etc. Some dog/cat has grain allergies so many owners are going to the grain free food. The LV Prime Blue grain free series – has no glutens which is known to trigger allergic reactions in some dog/cat. Grain part is substituted by fresh vegetables and fruits. The natural recipes crafted to provide the complete and balanced nutrition dog/cat needs to thrive.